"The half-life of radioactive carbon (14) is 5730 years. If the amount of radioactive carbon left over after 1000 years is 5 grams, how much radioactive carbon did you start with?"
equation given to me is
Now how do I find
I've found
Mr F says: There should be no negative. Clearly a typo on your part. And you should state the accuracy that you've rounded your answer to.
Therefore I have formulated this equation
My problem is, how do I find
from the above formula or have I done something wrong. Everytime I do it, I end up with weird answer. Please help
Just out of curiosity though, my answer = 5.643124562. Is that right? or wrong?